/**********************************************************

@description:
*File Name:main.c
*Author: ydx
*mail: yudongxiang93@163.com
*Create Time: Mon 02 Jun 2025 07:28:03 AM CST
**********************************************************/
#include<stdio.h>
extern int add(int a,int b);
extern int data1;
extern int data2;
int main(){
	int c;
	c=add(data1,data2);
	printf("%d\n",c);
	return 0;
}
